import _00GraphFuc as gf
#图的同构

V1={0,1,2,3}
E1={(0,1),(1,2),(2,3),(3,0)}
gf.drawdigraph(E1)
V2={'v0','v1','v2','v3'}
E2={('v0','v1'),('v1','v2'),('v2','v3'),('v3','v0')}
gf.drawdigraph(E2)
